[AC-1896] iOS: z-indexes of subsequently added views behave unpredictably when dynamically assigned

var v0 = Ti.UI.createView({
	borderColor : 'green',
	backgroundColor : 'white',
	height : 200,
	top : 0
});

var v1 = Ti.UI.createView({
	borderColor : 'blue',
	backgroundColor : 'white',
	height : 200,
	top : 40
});

var v2 = Ti.UI.createView({
	borderColor : 'red',
	backgroundColor : 'white',
	height : 200,
	top : 80
});

var v3 = Ti.UI.createView({
	borderColor : 'purple',
	backgroundColor : 'white',
	height : 200,
	top : 120
});

var v4 = Ti.UI.createView({
	borderColor : 'teal',
	backgroundColor : 'white',
	height : 200,
	top : 160
});

var win = Ti.UI.createWindow({
	backgroundColor : 'black'
});

var views = [v0, v1, v2, v3, v4];

// Add label to show order
for (var i = 0; i < 5; i++) {
	var text = 'view ' + i + ' with z-index of null';
	var topLabel = Ti.UI.createLabel({
		text : text,
		top : 0,
		height : 20
	});
	var bottomLabel = Ti.UI.createLabel({
		text : text,
		bottom : 0,
		height : 20
	});
	views[i].add(topLabel);
	views[i].add(bottomLabel);
};

// Change order by z-index
changeOrder = function(view, zs) {
	for (var i = 0; i < 5; i++) {
		var text = 'view ' + i + ' with z-index of ' + zs[i];
		views[i].setZIndex(zs[i]);
		views[i].children[0].setText(text);
		views[i].children[1].setText(text);
	}
};

v0.addEventListener('click', function() {
	zs = [5, 4, 3, 0, 1];
	changeOrder(v0, zs);
});

v1.addEventListener('click', function() {
	zs = [1, 5, 4, 3, 0];
	changeOrder(v1, zs);
});

v2.addEventListener('click', function() {
	zs = [0, 1, 5, 4, 3];
	changeOrder(v2, zs);
});

v3.addEventListener('click', function() {
	zs = [3, 0, 1, 5, 4];
	changeOrder(v3, zs);
});

v4.addEventListener('click', function() {
	zs = [4, 3, 0, 1, 5];
	changeOrder(v4, zs);
});

win.add(v0);
win.add(v1);
win.add(v2);
win.add(v3);
win.add(v4);
win.open();